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Panasonic WiGig 1Gbps Wireless SD Memory Card
  • Panasonic is currently developing applications for the new WiGig gigabit wireless communications technology. In this concept demonstration, a communications module which supports WiGig is embedded on an SD memory card.

    Although Panasonic is still in the process of prototyping the WiGig-enabled SD card, the company demonstrated how it will be possible to transmit videos, photos and other local data from a wireless controller such as a tablet, to the displays mounted in the passenger seats of a car. At gigabit speeds, it will be possible to wirelessly transfer a full DVD video in one minute.

    The tablet can also connect with the car's computer, so the user can easily see relevant information such as battery capacity and tire pressure.

    Panasonic's WiGig implementation uses the 60GHz spectrum to transmit data at gigabit speed, but it is limited to a range of 1-3 meters. Due to this limited range, it will not take over from the current Wifi standard, but Panasonic is coming up with a range of situations where it can be used effectively.


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  • At CES, several vendors were showing products using the new 802.11ad standard for gigabit wireless links. As you note, these operate at 60 Ghz where the RF propagation is basically worse than light, so good for short range - most anything in the way will block the signal.

    The specification for 802.11ad goes as high as 7 Gbps and there were various product announcements at CES with different vendors having different speeds plus or minus 1 Gbps.

    There is also another new standard 802.11ac, which applies below 6.0 Ghz bands, such as at 5 Ghz. Here is a photo of a vendor showing an 802.11ac network product - the 802.1 on the display is the current real time speed of their network in Mbps. This is amazing as I believe they use 80 Mhz wide channels at 5 Ghz and which means transmitting about 10 bits per Hertz.


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  • Intel has announced plans to altogether discontinue their 802.11ad products. The company intends to cease shipments of all of its current-generation WiGig devices by late 2017. Intel has not announced any replacements for the 802.11ad parts and says that it would focus on WiGig solutions designed for VR applications.